Denture brush



FIG. 1 is a side elevational view of a denture brush showing my new design, the opposite side view thereof being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side view thereof in a separated condition;

FIG. 5 is a front end elevational view thereof; and,

FIG. 6 is a rear end elevational view thereof. 

The ornamental design for a denture brush, as shown and described. 